The Best Things to Buy at Costco: Options

The options market is paying investors to wager that Costco stock continues to move higher.

Costco Wholesale, seller of giant cans of tuna fish and massive tubs of detergent, is trading like Twitter in the options market.

Investors are paying top-dollar to buy Costco (ticker: COST) calls as the stock pushes to new highs. Twitter (TWTR), which went public Thursday, should be so lucky to attract as much bullish call trading when its...